﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WebApplication2
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            this.Label5.Text = DateTime.Now.ToString("d");
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string s = TextArea1.Value;
            if (string.IsNullOrEmpty(s))
            {
                Label1.Text = "请输入新闻内容！";
            }
            else
            {
                Label1.Text = $"此新闻来自{DropDownList1.SelectedValue}，谢谢您提交的新闻！";
            }
        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            TextArea1.Value = null;
        }
    }
}